Abstract

Using frequency-domain nonlinear spectroscopy methods, we find relatively broad (2030  meV) resonances from quantum confined electron–hole pairs in an ensemble of InGaN disks in GaN nanowires that persist without significant broadening up to room temperature in the nonlinear absorption spectrum. Under these growth conditions, we find that the kinetics related to the nonlinear signal are dominated by metastable traps with decay rates of microseconds at low temperatures, as evidenced in part by high-frequency-resolution scans within the broad absorption resonances. The data reveal ultranarrow population pulsation resonances with linewidths that indicate the slow decay rate of the metastable traps.

© 2017 Optical Society of America

Full Article  |  PDF Article
OSA Recommended Articles
Room-temperature excitonic nonlinear-optical effects in semiconductor quantum-well structures

D. S. Chemla and D. A. B. Miller
J. Opt. Soc. Am. B 2(7) 1155-1173 (1985)

Coupling of spontaneous emission from GaN–AlN quantum dots into silver surface plasmons

Arup Neogi, Hadis Morkoç, Takamasa Kuroda, and Atsushi Tackeuchi
Opt. Lett. 30(1) 93-95 (2005)

Cryogenic spectroscopy of ultra-low density colloidal lead chalcogenide quantum dots on chip-scale optical cavities towards single quantum dot near-infrared cavity QED

Ranojoy Bose, Jie Gao, James F. McMillan, Alex D. Williams, and Chee Wei Wong
Opt. Express 17(25) 22474-22483 (2009)

References

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Figures (7)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Metrics

You do not have subscription access to this journal. Article level metrics are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription